It may cause side effects like headache, flushing (sense of warmth in the face, ears, neck and trunk), ankle swelling, slow heart rate, and nausea. It may also cause dizziness, so do not drive or do anything that requires mental focus until you know how this medicine affects you. To reduce the swelling, raise your legs while sitting down. You may be asked for regular monitoring of blood pressure, kidney function, blood sugar level, and electrolytes level while on the treatment.
Before taking it, let your doctor know if you have any liver or kidney problems. Pregnant or breastfeeding women should also consult their doctor for advice before taking this medicine. You also need to tell your doctor what other medicines you are taking especially those used to treat high blood pressure or heart conditions.